Lichens

• Introduction to Lichens  - Provides description, with information on fossil record, life history and ecology, systematics, and morphology.
• Lichenland  - General information, synoptic key, teaching aids, and featured activities on lichens presented by Oregon State University.
• Lichens of North America  - Presents a list of lichen species, photos, sampler, and related links. Includes information on lichen biology and environment.
• Lichens.de  - Introduction to lichens with images, news, workshop reports, technical details, and links to related pages.
• Queensland Lichens  - Information about the lichens of subtropical Queensland presented by a professor from the University of Queensland in Brisbane.